Kizspy | Question: 51
(Choose 1 answer)
(See picture)
A. 72
Β. 7.2, -7.2
C. 36
D. 3.6, -3.6
E. None of the other choices is correct
Assume that x = x(t), y = y(t) and z = z(t) such that [z(t)]^{2}=[x(t)]^{2}+4[y(t)]^{2} .
Compute \frac{dz}{dt} when x=3 y=2, \frac{dx}{dt}=4 and \frac{dy}{dt}=3.